/* ============================================================
   RIG OS — Noir Design System V2
   Canonical tokens from RIG DESIGN.md V2.1
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
  --noir: #000000;
  --noir-lift: #0A0A0A;
  --noir-float: #141414;
  --gold: #C8A96E;
  --gold-light: #D4BC8B;
  --gold-subtle: rgba(200, 169, 110, 0.10);
  --gold-glow: rgba(200, 169, 110, 0.18);
  --warm-white: #F5F0EB;
  --stone: #A09890;
  --charcoal: #666058;
  --red-ink: #C44536;
  --moss: #5B8C5A;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --display: 'Cormorant Garamond', 'Garamond', Georgia, serif;
  --mono: 'JetBrains Mono', 'SF Mono', monospace;
  --ease: cubic-bezier(0.25, 0.1, 0.0, 1.0);
  --container: 1200px;
  --section-pad: clamp(80px, 10vw, 160px);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.7;
  color: var(--warm-white);
  background: var(--noir);
  overflow-x: hidden;
}

a { color: var(--gold); text-decoration: none; transition: color 0.3s var(--ease); }
a:hover { color: var(--gold-light); }

img { max-width: 100%; display: block; }

/* --- Utility --- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.text-gold { color: var(--gold); }
.text-stone { color: var(--stone); }
.text-moss { color: var(--moss); }
.text-red { color: var(--red-ink); }
.bg-lift { background: var(--noir-lift); }
.bg-float { background: var(--noir-float); }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--display); font-weight: 400; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(40px, 5vw, 72px); }
h2 { font-size: clamp(32px, 4vw, 52px); }
h3 { font-size: clamp(24px, 3vw, 36px); }
h4 { font-size: clamp(20px, 2vw, 28px); }

.label {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stone);
}

.metric {
  font-family: var(--mono);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  color: var(--gold);
  line-height: 1.1;
}

.body-lg { font-size: 19px; line-height: 1.75; color: var(--stone); }
.body-sm { font-size: 15px; line-height: 1.65; color: var(--stone); }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 32px;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gold-subtle);
  transition: background 0.4s var(--ease);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo { height: 40px; width: auto; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--stone);
  letter-spacing: 0.02em;
  transition: color 0.3s var(--ease);
}

.nav-links a:hover,
.nav-links a.active { color: var(--warm-white); }

.nav-cta {
  padding: 10px 24px;
  background: var(--gold);
  color: var(--noir) !important;
  font-weight: 600 !important;
  font-size: 13px !important;
  letter-spacing: 0.04em;
  border-radius: 4px;
  transition: background 0.3s var(--ease), transform 0.2s var(--ease);
}

.nav-cta:hover {
  background: var(--gold-light);
  color: var(--noir) !important;
  transform: translateY(-1px);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--warm-white);
  transition: all 0.3s var(--ease);
  display: block;
}

.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Sections --- */
section { padding: var(--section-pad) 0; }

.section-divider {
  width: 60px;
  height: 1px;
  background: var(--gold-subtle);
  margin: 0 auto 24px;
}

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--noir), transparent);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 800px; }

.hero-eyebrow {
  display: inline-block;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 24px;
  padding: 6px 16px;
  border: 1px solid var(--gold-subtle);
  border-radius: 2px;
}

.hero h1 { margin-bottom: 28px; }
.hero h1 em { font-style: normal; color: var(--gold); }

.hero-sub {
  font-size: 20px;
  line-height: 1.65;
  color: var(--stone);
  max-width: 600px;
  margin-bottom: 48px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}

.btn-gold {
  background: var(--gold);
  color: var(--noir);
}
.btn-gold:hover {
  background: var(--gold-light);
  color: var(--noir);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(200, 169, 110, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--warm-white);
  border: 1px solid var(--charcoal);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-ghost {
  background: transparent;
  color: var(--gold);
  padding: 14px 0;
}
.btn-ghost:hover { color: var(--gold-light); }
.btn-ghost::after { content: ' →'; }

.btn-group { display: flex; gap: 16px; flex-wrap: wrap; }

/* --- Cards --- */
.card {
  background: var(--noir-lift);
  border: 1px solid rgba(200, 169, 110, 0.06);
  border-radius: 6px;
  padding: 40px;
  transition: border-color 0.4s var(--ease), transform 0.3s var(--ease);
}

.card:hover {
  border-color: var(--gold-glow);
  transform: translateY(-4px);
}

.card-number {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 16px;
  display: block;
}

.card h3 { margin-bottom: 12px; }
.card p { color: var(--stone); }

/* --- Grid --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- Proof Bar --- */
.proof-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--gold-subtle);
  border-bottom: 1px solid var(--gold-subtle);
}

.proof-stat {
  text-align: center;
  padding: 40px 20px;
  border-right: 1px solid var(--gold-subtle);
}
.proof-stat:last-child { border-right: none; }

.proof-stat .metric { margin-bottom: 8px; }

/* --- Offer Ladder --- */
.offer-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid rgba(200, 169, 110, 0.06);
}

.offer-item:last-child { border-bottom: none; }

.offer-tier {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--gold);
  padding: 4px 12px;
  border: 1px solid var(--gold-subtle);
  border-radius: 2px;
  white-space: nowrap;
}

.offer-price {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--gold);
  text-align: right;
  white-space: nowrap;
}

/* --- Case Study --- */
.case-card {
  background: var(--noir-lift);
  border: 1px solid rgba(200, 169, 110, 0.06);
  border-radius: 6px;
  padding: 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case-tag {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

.case-metric-row {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.case-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* --- FAQ / Accordion --- */
.faq-item {
  border-bottom: 1px solid rgba(200, 169, 110, 0.06);
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 500;
  color: var(--warm-white);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

.faq-q::after {
  content: '+';
  font-size: 24px;
  color: var(--gold);
  transition: transform 0.3s var(--ease);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-q::after { transform: rotate(45deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
  color: var(--stone);
  line-height: 1.7;
}

.faq-item.open .faq-a {
  max-height: 400px;
  padding-bottom: 24px;
}

/* --- Calculator --- */
.calc-container {
  background: var(--noir-lift);
  border: 1px solid rgba(200, 169, 110, 0.06);
  border-radius: 6px;
  padding: 48px;
}

.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(200, 169, 110, 0.06);
}

.calc-row:last-child { border-bottom: none; }

.calc-label { color: var(--stone); font-size: 15px; }
.calc-value { font-family: var(--mono); font-size: 18px; color: var(--gold); }
.calc-highlight { font-size: 24px; color: var(--moss); }

.calc-slider-group { margin: 32px 0; }

.calc-slider-group label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--stone);
}

.calc-slider-group label span { color: var(--gold); font-family: var(--mono); }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--charcoal);
  border-radius: 2px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  border: 3px solid var(--noir);
  box-shadow: 0 0 0 2px var(--gold);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  border: 3px solid var(--noir);
  box-shadow: 0 0 0 2px var(--gold);
}

/* --- Footer --- */
.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--gold-subtle);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 64px;
}

.footer-brand p { color: var(--stone); font-size: 15px; margin-top: 16px; max-width: 320px; }

.footer-col h4 {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm-white);
  margin-bottom: 20px;
}

.footer-col a {
  display: block;
  color: var(--stone);
  font-size: 15px;
  margin-bottom: 12px;
}

.footer-col a:hover { color: var(--warm-white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid rgba(200, 169, 110, 0.06);
  font-size: 13px;
  color: var(--charcoal);
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .proof-bar { grid-template-columns: repeat(2, 1fr); }
  .proof-stat:nth-child(2) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  .container { padding: 0 20px; }
  section { padding: clamp(60px, 8vw, 120px) 0; }

  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.96);
    padding: 40px 32px;
    gap: 24px;
    align-items: flex-start;
  }
  .nav-links.open a { font-size: 20px; color: var(--warm-white); }
  .nav-toggle { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .proof-bar { grid-template-columns: 1fr 1fr; }

  .offer-item { grid-template-columns: 1fr; gap: 8px; }
  .offer-price { text-align: left; }

  .hero-content { max-width: 100%; }
  .btn-group { flex-direction: column; }
  .btn-group .btn { text-align: center; justify-content: center; }

  .case-metric-row { gap: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; }

  .calc-container { padding: 32px 24px; }
  .card { padding: 32px 24px; }
  .case-card { padding: 32px 24px; }
}

@media (max-width: 480px) {
  .proof-bar { grid-template-columns: 1fr; }
  .proof-stat { border-right: none; border-bottom: 1px solid var(--gold-subtle); }
  .proof-stat:last-child { border-bottom: none; }
}


/* --- Dropdown Nav --- */
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; gap: 4px; }
.nav-item > a .chevron { font-size: 10px; transition: transform 0.3s var(--ease); }
.nav-item:hover > a .chevron { transform: rotate(180deg); }

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 240px;
  background: rgba(10, 10, 10, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--gold-subtle);
  border-radius: 6px;
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.3s var(--ease);
  z-index: 1001;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 10px 24px;
  font-size: 14px;
  color: var(--stone) !important;
  font-weight: 400 !important;
  transition: all 0.2s var(--ease);
}
.nav-dropdown a:hover { color: var(--warm-white) !important; background: rgba(200, 169, 110, 0.06); }
.nav-dropdown .dd-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal);
  padding: 8px 24px 4px;
  pointer-events: none;
}

/* --- Page Header (non-homepage) --- */
.page-header {
  padding: clamp(140px, 16vw, 200px) 0 clamp(60px, 8vw, 100px);
  position: relative;
}
.page-header .label { margin-bottom: 16px; display: block; }
.page-header h1 { margin-bottom: 20px; }
.page-header h1 em { font-style: normal; color: var(--gold); }
.page-header .lead { font-size: 20px; line-height: 1.7; color: var(--stone); max-width: 680px; }

/* --- Two-Column Layout --- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.two-col.wide-left { grid-template-columns: 1.4fr 1fr; }
.two-col.wide-right { grid-template-columns: 1fr 1.4fr; }

@media (max-width: 768px) {
  .two-col, .two-col.wide-left, .two-col.wide-right { grid-template-columns: 1fr; gap: 40px; }
}

/* --- Process / Timeline --- */
.process-steps { position: relative; padding-left: 48px; }
.process-steps::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--gold-subtle);
}

.process-step {
  position: relative;
  padding: 0 0 48px;
}
.process-step:last-child { padding-bottom: 0; }

.process-step::before {
  content: '';
  position: absolute;
  left: -48px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: var(--noir);
  z-index: 1;
}

.process-step .step-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gold);
  margin-bottom: 8px;
  display: block;
}

.process-step h3 { font-size: 24px; margin-bottom: 12px; }
.process-step p { color: var(--stone); max-width: 560px; }

/* --- Pricing Table --- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.pricing-card {
  background: var(--noir-lift);
  border: 1px solid rgba(200, 169, 110, 0.06);
  border-radius: 6px;
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  transition: border-color 0.4s var(--ease);
}
.pricing-card:hover { border-color: var(--gold-glow); }
.pricing-card.featured { border-color: var(--gold); }
.pricing-card.featured .pricing-badge {
  background: var(--gold);
  color: var(--noir);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 2px;
  display: inline-block;
  margin-bottom: 16px;
  width: fit-content;
}

.pricing-card .pricing-name {
  font-family: var(--display);
  font-size: 28px;
  margin-bottom: 8px;
}
.pricing-card .pricing-price {
  font-family: var(--mono);
  font-size: 32px;
  color: var(--gold);
  margin-bottom: 8px;
}
.pricing-card .pricing-unit { font-size: 14px; color: var(--charcoal); margin-bottom: 24px; }
.pricing-card .pricing-desc { color: var(--stone); font-size: 15px; line-height: 1.7; margin-bottom: 32px; flex-grow: 1; }

.pricing-features { list-style: none; margin-bottom: 32px; }
.pricing-features li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(200, 169, 110, 0.04);
  font-size: 14px;
  color: var(--stone);
  display: flex;
  gap: 8px;
  align-items: baseline;
}
.pricing-features li::before { content: '→'; color: var(--gold); flex-shrink: 0; }

/* --- Team / About --- */
.team-card {
  text-align: center;
  padding: 48px 32px;
}
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--noir-float);
  border: 2px solid var(--gold-subtle);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  font-size: 28px;
  color: var(--gold);
}
.team-card h4 { font-family: var(--sans); font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.team-card .team-role { font-size: 13px; color: var(--gold); margin-bottom: 12px; }
.team-card p { font-size: 14px; color: var(--stone); line-height: 1.6; }

/* --- Form --- */
.form-group { margin-bottom: 24px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--warm-white);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--noir-lift);
  border: 1px solid var(--charcoal);
  border-radius: 4px;
  color: var(--warm-white);
  font-family: var(--sans);
  font-size: 15px;
  transition: border-color 0.3s var(--ease);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select { cursor: pointer; }

/* --- Blockquote / Testimonial --- */
.testimonial {
  border-left: 3px solid var(--gold);
  padding: 24px 32px;
  margin: 32px 0;
  background: var(--noir-lift);
  border-radius: 0 6px 6px 0;
}
.testimonial p { font-size: 18px; line-height: 1.7; color: var(--warm-white); font-style: italic; }
.testimonial cite { display: block; margin-top: 12px; font-size: 14px; color: var(--gold); font-style: normal; }

/* --- Stat Row --- */
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 32px;
  padding: 48px 0;
}
.stat-item { text-align: center; }
.stat-item .metric { margin-bottom: 4px; }
.stat-item .label { margin-top: 4px; }

/* --- Offer Detail --- */
.offer-detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: start;
}
.offer-sidebar {
  background: var(--noir-lift);
  border: 1px solid rgba(200, 169, 110, 0.06);
  border-radius: 6px;
  padding: 36px;
  position: sticky;
  top: 96px;
}
.offer-sidebar .sidebar-price {
  font-family: var(--mono);
  font-size: 28px;
  color: var(--gold);
  margin-bottom: 4px;
}
.offer-sidebar .sidebar-timeline { font-size: 14px; color: var(--stone); margin-bottom: 24px; }

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .offer-detail-grid { grid-template-columns: 1fr; }
  .offer-sidebar { position: static; }
}

/* --- Case Study Page --- */
.case-hero {
  padding: clamp(140px, 16vw, 200px) 0 80px;
  border-bottom: 1px solid var(--gold-subtle);
}
.case-hero .case-tag { margin-bottom: 16px; display: block; }
.case-hero h1 { margin-bottom: 20px; }
.case-hero .lead { font-size: 20px; line-height: 1.7; color: var(--stone); max-width: 680px; }

.case-metrics-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
  border-bottom: 1px solid var(--gold-subtle);
}
.case-metrics-bar .proof-stat { padding: 32px 24px; }

.case-body { max-width: 800px; }
.case-body h2 { margin: 48px 0 16px; font-size: 32px; }
.case-body h3 { margin: 32px 0 12px; font-size: 24px; }
.case-body p { color: var(--stone); margin-bottom: 16px; }
.case-body ul { list-style: none; margin: 16px 0; }
.case-body ul li { padding: 6px 0; color: var(--stone); display: flex; gap: 8px; }
.case-body ul li::before { content: '→'; color: var(--gold); flex-shrink: 0; }

/* --- Industry Page --- */
.industry-challenges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.challenge-card {
  background: var(--noir-lift);
  border: 1px solid rgba(200, 169, 110, 0.06);
  border-radius: 6px;
  padding: 32px;
}
.challenge-card h4 { margin-bottom: 8px; font-size: 20px; }
.challenge-card p { color: var(--stone); font-size: 15px; }

@media (max-width: 768px) {
  .industry-challenges { grid-template-columns: 1fr; }
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 100px 0 0;
  font-size: 13px;
  color: var(--charcoal);
}
.breadcrumb a { color: var(--stone); }
.breadcrumb span { margin: 0 8px; }

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  padding: 80px 0;
  border-top: 1px solid var(--gold-subtle);
  border-bottom: 1px solid var(--gold-subtle);
}
.cta-banner h2 { margin-bottom: 16px; }
.cta-banner p { color: var(--stone); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-banner .btn-group { justify-content: center; }